Erik Dahlstrom <ed@opera.com> skreiv Wed, 22 Feb 2012 13:16:45 +0100
> In sections 5.4 and 5.5:
>
> [[ User agents MAY accept ‘image-fit’ as an alias for ‘object-fit’, as a
> previous version of this specification used that name. Authors must not
> use ‘image-fit’ in their stylesheets. ]]
> [[ User agents MAY accept ‘image-position’ as an alias for
> ‘object-position’, as a previous version of this specification used that
> name. Authors must not use ‘image-position’ in their stylesheets. ]]
This is because printers (from HP, I assume) use the property in firmware.
[0] It may not be a significant argument against your proposal, though:
these old printers will never be declared conforming to css3-images
anyway. Unless new printers have to work with old drivers or software or
something.
> Are there any precedents in any CSS specifications for this kind of
> aliasing? It sounds to me like a good way of introducing
> incompatibilities between user agents.
>
> Please consider removing the sentences that allow 'image-fit' and
> 'image-position'.
0. Nearest thing I can find for a citation for that is
http://lists.w3.org/Archives/Public/www-style/2011Jul/0538.html. Not a
very solid one, I must admit.
--
Leif Arne Storset
Core Technology Developer, Opera Software
Oslo, Norway